Diese Arbeit besteht aus vier Essays, die empirische und methodische Beiträge zur Messung von Konjunkturzyklen und deren Zusammenhänge zu demographischen Variablen liefern. Der erste Essay analysiert unter Zuhilfenahme eines Bayesianischen Dynamischen Faktormodelles die Volatilität des...

This dissertation consists of three independent essays. The first essay, “Long Waves and Short Cycles in a Model of Endogenous Financial Fragility,” presents a stock flow consistent macroeconomic model in which financial fragility in firm and household sectors evolves endogenously through...

In their 1963 classic Scarcity and Growth Howard Barnett and Chandler Morse argued that resource scarcity did not threaten economic growth. A second investigation in the late 1970s, Scarcity and Growth Reconsidered, reached largely the same conclusion. The 25 years since that work was published...

Innovation is novelty - it involves doing new things in new ways. So new products, new processes, new organizational methods, new services, and so on, are all part of innovation. Technological innovation transforms and improves the technical attributes and performance characteristics of products...

The representative firm has been a much-criticized concept, subject to conflicting interpretations with respect to both its configuration and its intended role in Marshall's Principles (the Principles).2 The concept found itself a focal point of much of the debate during the significant cost...

This dissertation consists of two essays studying macroeconomics questions about labor markets. The research in this document is separated into chapters that study distinct features of aggregate labor market outcomes.The first essay documents the change in behavior of fertility rate at business...

This paper uses an unbalanced panel data set for exporting firms from manufacturing industries in one German federal state, Lower Saxony, to investigate the micro-structure of the recent export boom. Looking at data for 1995/96 to 2001/02 it is demonstrated that a considerable number of plants...

In modeling expectation formation, economic agents are usually viewed as forming expectations adaptively or in accordance with some rationality postulate. We offer an alternative nonlinear model where agents exchange their opinions and information with each other. Such a model yields multiple...